A358398 - cp's OEIS frontend

A358398 a(n) is the number of reducible monic cubic polynomials x^3 + rx^2 + sx + t with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t) <= n).

n	a(n)
1	15
2	53
3	117
4	215
5	329
6	493
7	657
8	877
9	1103
10	1383
11	1643
12	2017
13	2325
14	2721
15	3131
16	3601
17	4009
18	4575
19	5031
20	5647
21	6221
22	6849
23	7409
24	8211
25	8849
26	9593
27	10335
28	11199
29	11899
30	12915
31	13671
32	14655
33	15559
34	16535
35	17473
36	18711
37	19619
38	20711
39	21787
40	23099
41	24095
42	25507
43	26571
44	27931
45	29259

[15, 53, 117, 215, 329, 493, 657, 877, 1103, 1383, 1643, 2017, 2325, 2721, 3131, 3601, 4009, 4575, 5031, 5647, 6221, 6849, 7409, 8211, 8849, 9593, 10335, 11199, 11899, 12915, 13671, 14655, 15559, 16535, 17473, 18711, 19619, 20711, 21787, 23099, 24095, 25507, 26571, 27931, 29259]

cp's OEIS Frontend

A358398 a(n) is the number of reducible monic cubic polynomials x^3 + rx^2 + sx + t with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t) <= n).

Table of values

List of values

cp's OEIS Frontend

A358398 a(n) is the number of reducible monic cubic polynomials x^3 + r*x^2 + s*x + t with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t) <= n).

Table of values

List of values

A358398 a(n) is the number of reducible monic cubic polynomials x^3 + rx^2 + sx + t with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t) <= n).